network.api: CM.fetch should inspect connectors as well.
network.api: CM.fetch should inspect connectors as well.

fzadow/CATMAID,fzadow/CATMAID,fzadow/CATMAID,htem/CATMAID,fzadow/CATMAID,htem/CATMAID,htem/CATMAID,htem/CATMAID